3 years ago

Which ordered pair is a solution of the equation y=7x-3

Mathematics

1 answer:

Kruka [31]3 years ago

5 0

Im pretty sure its (1, 4) if its wrong im so so sorry but I do think thats the awnser

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PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS

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It either B or D. zoz dnd keep

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3 years ago

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Consider the differential equation4y'' − 4y' + y = 0; ex/2, xex/2.Verify that the functions ex/2 and xex/2 form a fundamental se

Nina [5.8K]

Step-by-step explanation:

Let y1 and y2 be (e^x)/2, and (xe^x)/2 respectively.

The Wronskian of them functions be

W = (y1y2' - y1'y2)

y1 = (e^x)/2 = y1'

y2 = (xe^x)/2

y2' = (1/2)(x + 1)e^x

W = (1/4)(x + 1)e^(2x) - (1/4)xe^(2x)

= (1/4)(x + 1 - x)e^(2x)

W = (1/4)e^(2x)

Since the Wronskian ≠ 0, we conclude that functions are linearly independent, and hence, form a set of fundamental solutions.

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3 years ago

3 6/4 in simplest form

ivanzaharov [21]

Answer:

4 1/2.

hope this helps!

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3 years ago

the correct mixture of oil to gas in a weed eater is 1/2 pint of oil to 2 1/2 gallons of gas. how many pints of oil are needed f

Stells [14]

This requires 2 pints of oil.

Using a proportion to solve this, we have:
$\frac{\frac{1}{2}}{2\frac{1}{2}}=\frac{x}{10}$

Cross multiplying, we have
1/2*10 = (2 1/2)*x
5 = (2 1/2)x

Divide both sides by 2 1/2:
5÷(2 1/2) = (2 1/2)x÷(2 1/2)
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Juli2301 [7.4K]

It would be c because that is what goes

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3 years ago